Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual posição foi escolhida para o Canadá na escolha 8?
 ###Tabelas: CREATE TABLE first_round_history (first_round_history_id AUTO_INCREMENT PRIMARY KEY, Year INT, Pick VARCHAR, Player VARCHAR, Position VARCHAR, Country VARCHAR, Previous team (League) VARCHAR) CREATE TABLE financial_comparisons_between_top_10_banks_in_indonesia_-_2006 (financial_comparisons_between_top_10_banks_in_indonesia_-_2006_id AUTO_INCREMENT PRIMARY KEY, Bank VARCHAR, Asset INT, Loans INT, NPL Net VARCHAR, Deposits INT, Net Interest Income INT, Non-Interest Income INT, Net Profit INT, No. of Employees VARCHAR, No. of Branches/Offices INT, No. of ATMs VARCHAR) CREATE TABLE member_states (member_states_id AUTO_INCREMENT PRIMARY KEY, State VARCHAR, Adopted VARCHAR, Population (2011-01-01) VARCHAR, Nominal GDP World Bank, 2009 (million USD) INT, Relative GDP of total (nominal) VARCHAR, GDP per capita World Bank, 2009 nominal (USD) INT) CREATE TABLE tour_de_france_stage_finishes (tour_de_france_stage_finishes_id AUTO_INCREMENT PRIMARY KEY, Year INT, Stage INT, Start of stage VARCHAR, Distance (km) VARCHAR, Category VARCHAR, Stage winner VARCHAR, Yellow jersey VARCHAR) CREATE TABLE typical_values_of_sfc_for_thrust_engines (typical_values_of_sfc_for_thrust_engines_id AUTO_INCREMENT PRIMARY KEY, Engine type VARCHAR, Scenario VARCHAR, SFC in lb/(lbf·h) INT, SFC in g/(kN·s) INT, Specific impulse (s) INT, Effective exhaust velocity (m/s) INT)  
SELECT Position FROM first_round_history WHERE Country = canada AND Pick = 8